Ionic 4 tab bar overflow

Question

I want made layout like this :

But got this:

My button is cutting by tab-bar. How I can solve this?
I try to add "overflow: visible" for all of tags, but it's doesn't work.
My template:

.place-button-wrapper{
    position: absolute;
    bottom: 20px;
}

<ion-tabs>
...
    <ion-tab-button tab="places">
      <div class="place-button-wrapper" >
        <img class="tabs-icon" src="assets/icons/mapiconelepse.png" alt="">
      </div>
    </ion-tab-button>
...
</ion-tabs>

Answer 1

I fix that just adding "contain: none" to my ion-tabs.